1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sphinxa [80]
3 years ago
9

Histamines are released when mast cells are exposed to _____, which are fragments of complement proteins.

Biology
1 answer:
IrinaVladis [17]3 years ago
8 0
The answer that best fits the blank provided above is C3a and C5a. Mast cells release this so called histamines once they are exposed to C3a and C5a which are fragments of complement proteins. These are also called as <span>Anaphylatoxins along with C4a. Hope this helps.</span>
You might be interested in
Which statement is true? oceanic crust is denser than continental crust oceanic crust is less dense than continental crust ocean
vazorg [7]

Answer:

Oceanic crust is thinner and denser than continental crust.

5 0
3 years ago
are chromosome pairs, one from each parent, that are similar in length, gene position and centromere location
tatyana61 [14]

Answer:

This definition suits that of "HOMOLOGOUS CHROMOSOMES"

Explanation:

Homologous chromosomes are similar pairs of chromosomes i.e. in length, gene positioning and centromere location (one from each parent) but not identical. Homologous chromosomes are not identical in the sense that, alleles on each pair may be different, resulting in genetic variation of the offspring.

Using humans as a case study, a karyotype (pictorial display of chromosomal arrangement) shows the complete set of chromosomes, which has two complete set (diploid). Each human cell contain 23 pairs of chromosomes, with each pair contributed by each parent i.e. 46 chromosomes in total. Every chromosome pair represents a set of homologous chromosome.

6 0
3 years ago
Read 2 more answers
What makes the endoplasmic reticulum rough?​
melomori [17]

Answer:

the assembling of the protein molecules around it makes it appear rough.

Explanation:

i hope this is helping

7 0
2 years ago
How does the reproductive system work with the other body systems
Papessa [141]
It reproduces cells to work for all systems
5 0
3 years ago
Which level of organization is shown in the image?<br> cell<br> tissue<br> organ<br> organ system
irakobra [83]
The answer is tissue
3 0
3 years ago
Read 2 more answers
Other questions:
  • What refers to a steady rise in the environment’s temperature?
    11·1 answer
  • Which of these would have the greatest diversity of sequences?
    15·1 answer
  • On a cold winter morning, a person waiting for the bus starts shivering. The muscles used in shivering produce extra heat that h
    15·2 answers
  • Which factors affect the gravitational force between two objects?
    13·2 answers
  • A major risk of space travel is that it has no potential for developing cooperation and goodwill among nations.
    6·2 answers
  • Explain how Co2 is able to control fires?<br><img src="https://tex.z-dn.net/?f=co2" id="TexFormula1" title="co2" alt="co2" align
    12·1 answer
  • Marsupial mole rats evolved in New Zealand in the 1700s and had few natural predators so they overpopulated the area. Scientist
    12·1 answer
  • Which of the following occurs when humans alter the genetic make-up
    11·2 answers
  • Need helpwith this question plzz
    15·2 answers
  • About how many pieces of evidence should you have to create a successful CER?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!